/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import presenter.Presenter;

/**
 *
 * @author root
 */
public class DeleteContact extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        HttpSession session = request.getSession();
        String login = (String) session.getAttribute("login");
        ArrayList<String> contacts=(ArrayList<String>) session.getAttribute("contacts");
        String contact2Delete = request.getParameter("contacts");
        int i=0;
        boolean trouve=false;
        while (i<contacts.size()&&!trouve){
            if(contacts.get(i).equals(contact2Delete)){
                Presenter.deleteContact((String)session.getAttribute("login"), contact2Delete);
                contacts.remove(i);
                trouve=true;
            }
            i++;
        }
        HttpSession destSession = null;
        boolean existe = false;
        for (i = 0; i < ConnectedServlet.sessions.size(); i++) {
            if (contact2Delete.equals(ConnectedServlet.sessions.get(i).getAttribute("login"))) {
                destSession = ConnectedServlet.sessions.get(i);
                existe = true;
            }
        }
        trouve=false;
        i=0;
        ArrayList<String> destcontacts = (ArrayList<String>) destSession.getAttribute("contacts");
        while (i< destcontacts.size()&&!trouve&&existe){
            if(destcontacts.get(i).equals(login)){
                destcontacts.remove(i);
                trouve=true;
                destSession.setAttribute("contacts",destcontacts);
            }
            i++;
        }
        //request.setAttribute("sessions", ConnectedServlet.sessions);
        session.setAttribute("contacts", contacts);
        request.setAttribute("thisSession", session);
        request.setAttribute("filesent", "");
        request.setAttribute("waitingFile", Presenter.getWaitingFile(login));
        RequestDispatcher d =request.getRequestDispatcher("/WEB-INF/connected.jsp");
        d.forward(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
